What you will do

• Building recommendation systems to improve User Engagement in Zalo. We test every change in model and logic carefully by an A/B Testing Framework to make sure they have significant improvements on Zalo;
• Working with Mobile Devs and Backend Devs to provide stability for your Data Science solution. Making a good model is hard, but making a good scalability model for 100M users in Zalo is even more challenging. You must think like a scientist and code like an engineer;
• Working with Product Owner to identify the opportunities how Data can improve User Engagement, User Experience in Zalo. If you have a good idea, you have a chance to make it real;
• Perform analyses to understand user behaviors and find actionable insights for current and future data-focused innovation. This can involve a host of different techniques such as user profiling, graph analysis, predictive modeling;
• Building a scalable recommendation engine for distributing content to users to ensure content diversity, accuracy and satisfaction.

What you will need

• Bachelor or higher in Computer Science, Statistics, or a related field;
• Knowledge of Hadoop programming environments (e.g. Spark), Deep Learning Framework (Pytorch, Tensorflow);
• Have work experience with large amounts of real data, preferably experience with building and maintaining scalable data pipelines;
• Understanding of applied statistics including sampling approaches, causal modeling, and data mining techniques;
• Good communication and interpersonal skills, storytelling with data, e.g., ability to communicate data science concepts and analysis results to both technical and non-technical audiences;
• Having a deep knowledge in Computer Vision, NLP is a plus.

Other requirements:

• Ability to translate business objectives into actionable analyses;
• Proactive thinking and ability to work independently while being a strong team player;
• Open-minded and excited to learn new things. Have strong opinions but are willing to change with new data;
• We hope you will fit well with our team’s culture:
• Strong work ethic: All of us believe in our work’s ability to change Vietnamese lives and consequently work hard, work smart;
• Good team members: We care and watch out for each other. We’re humble individually and go after big goals together;
• Flexibility: you should be flexible in your tasks and do whatever is needed, ranging from dirty work like data cleaning to high-level work like system or algorithm design.

What you will do

• Develop new feature for existing Zalo's products: Zalo Call;
• Research and implement new technologies to improve call quality on various condition of network, devices;
• Design and develop high performance, scalable video streaming, processing server. 

What you will need

• At least 1 year of experience or fresh graduate in Computer Science, Engineering or related field;
• Experienced in C/C++; Multiple platforms is a plus;
• Solid knowledge of data structures and algorithms, object-oriented programming;
• Solid knowledge of Network Programming, Multithreading. Experience in RTP/RTCP is a plus;
• Good problem-solving skills;
• Be able to read and understand English documents;
• Experienced in VOIP applications, using the library related to VOIP (webrtc, pjsip) and Audio/Video Processing is a plus.

What you will do

• Enhancement of Top-Up Functionality: Introduce an auto-charge feature for top-ups, enabling businesses to seamlessly fund their accounts and use Zalo's B2B services without interruption;
• Product Strategy and Roadmap Development: Define and execute a comprehensive product strategy to enhance the ZCA platform, ensuring it meets the needs of businesses effectively while providing an exceptional user experience;
• User Experience Improvement: Overhaul the current MVP’s user interface and experience, making it more intuitive and user-friendly, thereby increasing engagement and satisfaction;
• Performance Tracking and Analytics: Implement comprehensive tracking and analytics features to monitor user engagement, financial transactions, and service utilization, facilitating data-driven decision-making;
• WaaS Integration: Spearhead the development and integration of Wallet-as-a-Service functionalities, allowing businesses to manage financial transactions within the ZCA efficiently;
• Compliance and Security Oversight: Ensure the platform adheres to relevant financial regulations and data protection laws, maintaining the highest standards of security and privacy for users.

What you will need

• 3+ years of product management experience, with a proven track record in SaaS and financial services platforms;
• Strong understanding of UX/UI design principles and methodologies;
• Experience with integrating financial services or developing Wallet-as-a-Service (WaaS) solutions;
• Excellent analytical skills and proficiency in performance tracking and analytics tools;
• Strong communication and stakeholder management skills.

Preferred Qualifications

• Experience working with B2B services and understanding the unique needs of business customers;
• Knowledge of regulatory standards and compliance requirements related to financial transactions and data security;
• Technical background or experience closely working with software development teams.